See text Hamacantha is a genus of sponges in the family Hamacanthidae.

This species in this genus differ from those in the other genera in this family through the presence of diancistras, distinctive microscleres.

[2] These are thought to aid in framing the skeleton by joining monactine megascleres (that is megascleres that grow in only a single direction).

[3] This genus contains 30 species in three subgenera.

This poriferan- (or sponge-) related article is a stub.